org.eclipse.gef4.cloudio.examples.application.actions.LoadFileAction.java Source code

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Here is the source code for org.eclipse.gef4.cloudio.examples.application.actions.LoadFileAction.java

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/*******************************************************************************
* Copyright (c) 2011 Stephan Schwiebert. All rights reserved. This program and
* the accompanying materials are made available under the terms of the Eclipse
* Public License v1.0 which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
* <p/>
* Contributors: Stephan Schwiebert - initial API and implementation
*******************************************************************************/
package org.eclipse.gef4.cloudio.examples.application.actions;

import java.io.File;
import java.io.IOException;
import java.util.List;

import org.eclipse.gef4.cloudio.TagCloudViewer;
import org.eclipse.gef4.cloudio.examples.application.data.Type;
import org.eclipse.gef4.cloudio.examples.application.data.TypeCollector;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.FileDialog;

/**
 * 
 * @author sschwieb
 *
 */
public class LoadFileAction extends AbstractTagCloudAction {

    @Override
    public void run(IAction action) {
        FileDialog dialog = new FileDialog(getShell(), SWT.OPEN);

        dialog.setText("Select text file...");
        String sourceFile = dialog.open();
        if (sourceFile == null)
            return;
        ProgressMonitorDialog pd = new ProgressMonitorDialog(getShell());
        try {
            List<Type> types = TypeCollector.getData(new File(sourceFile), "UTF-8");
            pd.setBlockOnOpen(false);
            pd.open();
            pd.getProgressMonitor().beginTask("Generating cloud...", 200);
            TagCloudViewer viewer = getViewer();
            viewer.setInput(types, pd.getProgressMonitor());
            //viewer.getCloud().layoutCloud(pd.getProgressMonitor(), false);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            pd.close();
        }
    }

}